Leadership
![](https://porttherapeutics.com/wp-content/uploads/2024/06/Joao-S.png)
João Siffert, MD
CEO
![](https://porttherapeutics.com/wp-content/uploads/2024/06/steve.png)
Steve Altschuler, MD
Executive Chair
![](https://porttherapeutics.com/wp-content/uploads/2024/06/Lena-G.png)
Lena Gamboa, PhD
Sr. Scientist
Head of Cancer Immunotherapy
![](https://porttherapeutics.com/wp-content/uploads/2024/06/Maroof-A.png)
Maroof Adil, PhD
Sr. Director
Corporate Development
![](https://porttherapeutics.com/wp-content/uploads/2024/06/Han-X.png)
Han Xu, PhD
SVP
Biotherapeutics
Scientific founders
![](https://porttherapeutics.com/wp-content/uploads/2022/08/Image-11@2x.png)
![](https://porttherapeutics.com/wp-content/uploads/2022/08/Gabriel-A-Kwong.png)
![](https://porttherapeutics.com/wp-content/uploads/2022/08/Image-13.png)
Principal Investors
![](https://porttherapeutics.com/wp-content/uploads/2024/06/investors-logo-1.png)
![](https://porttherapeutics.com/wp-content/uploads/2024/06/investors-logo-2.png)
![](https://porttherapeutics.com/wp-content/uploads/2024/06/catalo-logo-3.png)